近似计算自然对数底e=2.718,根据泰勒公式展开求得。保留5位小数-Approximate calculation of the natural logarithm base e = 2.718, according to Taylor formula to be obtained. 5 decimal places

层析粒子图像测速技术 ART MART 图像分析 图像识别(tomograhic particle image velocimetry ART MART image ansys)